All seven have surface temperatures that could potentially support liquid water, and three are within a ‘habitable zone’ meaning life is also a possibility!

The exoplanets are orbiting Trappist-1, which is a star 40 light-years away from Earth, and so have been named the Trappist-1 system.

An exoplanet is a planet in a different solar system to our own and so orbits a different star to the Sun. They’re pretty important because they make it possible that life could exist in other solar systems!